Apple grinder



Feb. 11, 1930. c, HUFFORD 1,746,654

' APPLE GRINDER Filed July 19, 1927 2 Sheets-Sheet l INVENTOR. Lew/5 C.flufford A TTORNE Y.

Patented Feb. 11, 1930 i j j LEWIS o. HUEFOBD, or nnnoivno ,aEAcH,.canrromvmf APPLE enmnna Application filed July 19,1927. sensitive.206,841.

This invention relates to a comminutor or grinder for apples and likevegetables or fruit. In the production of cider from apples, it iscurrent practice to reduce the j apples to small particles by cutting orgratmg them, and to express the juice fromthe comminuted apples bysuitable means'such as a press. It has been common practice to per- Iform the comminution by means of rotary 1O cutters or raspers housedwithin a drum. It

is desirable to have a compact cutter of great capacity, high speed andefliciency and the primaryobject of this invention is to pro vide adevice attaining these objects. To a .16 this end, a more specificobject of this invention isthe provision of a grinder having a verticalaxis rotary cutter of drum type and including details of structurecontributing to economy of operation and construction, simplicity andease of manipulation.

These objects together with other objects and correspondingaccomplishments are obtained by means of the embodiment of my inventionillustrated in the accompanying drawings in which:

. Fig. 1 is an elevation of a complete comminutor; Fig. 2 is a plan viewthereof, the supporting frame being omitted Fig. 3 is a verticalsection, showing the cutting drum in elevation; Fig. 4 is a section asseen on the line 4-4: of Fig. 3; Fig. 5 is an axial section through thecutter drum showing a fragment of the upper end; Fig. 6 isan elevationshowing a fragment of a cutter drum of difl'erentconstruction; Fig. 7 isa section seen on theline 77 of Fig. 6 on an enlarg'ed scale; and Fig. 8is an axial section through the structure shown in Fig. 6 showing thelower end of the drum.

. Referring with more particularity to Figs. 1 to 5 inclusive. asupporting framefor the mechanism is indicated by 10. Secured in a tableor base 11 on the frame by any well known means and depending therefromis the grinder proper. A. cylindrical neck 12 is provided with a flange13 and pivotally secured tothe neck are clamps l l arranged to underhangthe flange. The neck is provided with a throat 15 and a chamber at oneside thereof constituting a drive gear housing in whichis mounted bevelgearing 16 whereby a drive shaft 17 operates a vertical shaft 18. Theshaft 18 has radial thrust bearings atthe top and bottom and is arrangedto carrya drum. Detachablysecuredto the neck 12 is a casing 19 offrusto-conical shape. At the larger end it is providedhvith aflange 20:corresponding to flange 13, so arranged that the clamps 1 1may beengagedtherewith to detachably hold the :case to the neck. :The. lowerend thereof is formed with a bridge 21. having a hub provided with abearing for the lower end of shaft 18. (There are ribs. or corrugations23 on the inner. surface of the casing. Fixed to the shaft 18 is a drumhaving an imperforate cylindricalshell 24:.

At the end of the shell are arms25 meeting in a hub26 whichservesforsecuringthe drum to the shaft 18. Formed in the shell are parallelslots arranged at an angle to the shaft constituting flights ofrelatively great pitch. These slots receive tooth. bars "27 whicharebevelled to an edge as shown in Fig. 4 there being several teethformed therein along thelength of each bar. The bars are secured inposition by a clamping cap 28 at the top and a clamping ring29 at thebottom, the cap being best shown in Fig. 5. Each of the tooth bars isprovided at the ends with extensions 30, see Fig. 5, which are receivedin corresponding recesses in the clamping-cap and ring. 1 The latter aresecured to the ends of the shell by means of screws. The construction issuch that when the shaft 18 is rotated, the drum is rotated.

i In Fig. 1 a receiving memberBl is shown disposed upon the table 11.This is preferably a. revolving hopper adapted to hold apples whicharefed to the mouth atthe throat 15 and thence into the case 19. The

details ofthe hopper are not shown as they are not pertinent to thepresent invention. Shaft 18 may be driven from an electric motor 32 orany other convenient source of power. it j The operation of the deviceis as "follows:

-Apples arefed from the hopper to the case and lodge inthespace betweendrum 24 and the wallof casing 19. Rotation of the drum tends to turn theapples, the corrugations 23 impeding such turning. The angular foraboutsaid drum of the material being cut and mation of the bars tends to aidgravitative to guide the same from inlet to outlet.

force in moving the apples from the inlet In witness that I claim thefore 'oing I end at the top downwardly to the small or have hereuntosubscribed my name this 21st 6 outlet end of the space between the drumand day of June, 1927.

the casing. During; the operation, the teeth LEWIS C. HUFFORD.

on the r idacut theapples the lat; a a ter bemilih iw to prtentiliewksurg vj l a faces, reduced in size and at the saine time m being urgeddow ygag l l and finally passing p i through the spac'betsven t'hedrumant'casing 5E f atthe lower or outlet end, this space deter mining thesize of the particles in th'epul'p. i i It is obvious that the entire,space arpund 15 the drum may be filled with apples in various s0 st'aaof eoitinziinutionliwl heqipple particles we i 'e titlivn waitllyand-throughkthe discharge patsdge nt thedoweriend; theapulp being reaceiveil in a suitwbie coritai-ner,:j not jshown in l onbtheroiitanhaybe1deliyel:edto the press 'Dlt iiiachine isl not :for L the 'iurposeof; ex g tt ficfin gthe juice; but for #the purpose of;di,- vi tlihg'the upples vinto smallrparticles. E 1 WVfhere-asfl the toothbars are $21convenient 1D mtlzins of rasping'andidividing the applesztoa pi odnbe pulp, it tviil'ibe obvious that. other t'ygw bf utfters may die iused'.Another, :form lio'tqtl Figs, @to., 8.il'-Ai cylindrical vshell 33 hastoyiguesg firessedrioutwardly from its: nnfl arra ngeii in spiral lines.The

shiif t -l l i1s"spider35at theiloweriendand dilfiiQQ 8(F fol 'securiiig thea shell 33 toflthes iiuew var me otherniechalnical variationsit it be ;resorted to'hvithbut departing from u use imeurwnaana ivill beapparent from the :1 dtl 'e'laimsk Q vhettl elaimgis r at, win 1 iidevice of the characteradescribed;-a casingHavinganupnight'frustoconical chain'- A i5 betfii rbtttttible cylindricat cutter druindisiposedtherein; there' being lines of spaced Y a a v v MtiiiQtetlFoii said drum arranged in paritlil'spjmr rofyvs of relativelygreat pitch, saidsYhg havink' longitudinally extending cor- B iglitions' oi i itsfinnersurface. were meme of the character describedya airing anuprightfrusto-conicalchamh ifi iidtatable cutt'er drum disposed thereinfir vidirit anannular spaceisolated fromthe 1 v,

80 chamber of said-drumg saiddrum having-a 1 j- I v I- gli'ell t ithlfig'fioov'es on'itspcriphery of lllttiily at pitchfcutter bars providedspacedtecth ii-iset in saidgrooves, clampm ats engaging said bars andforide- W5 "tichably holdingthe bars td said'drum; 1.

W3: aYde icc oftliecharacter described, a I e eae iaw rn yin-gutrotatablecutter drum disbseflhereimso as to-piovideaspace between 53 a aIdecreasing"cioss sectionalareatroin 'anini .v

let endto anoutlet end for gravitative' travel .7 y

'Gf'QHaferialtliitlirbiigh, there'beinglinesl I I tifs {t'cbdcuttiiigteeth onsaiddrum arranged i ii fiiigltt s'io f ielatiyely"greatpitch,said casl lhfng having corrugations longitudinally 'ex- I 7; 5tefitliiifi tfoiii end toendto impede revolution w A y-

